CN109994234A - One kind being used for presurized water reactor primary Ioops cooling water treatment system - Google Patents
One kind being used for presurized water reactor primary Ioops cooling water treatment system Download PDFInfo
- Publication number
- CN109994234A CN109994234A CN201910311417.2A CN201910311417A CN109994234A CN 109994234 A CN109994234 A CN 109994234A CN 201910311417 A CN201910311417 A CN 201910311417A CN 109994234 A CN109994234 A CN 109994234A
- Authority
- CN
- China
- Prior art keywords
- treatment system
- primary ioops
- cooling water
- reactor primary
- presurized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000000498 cooling water Substances 0.000 title claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 14
- 238000005342 ion exchange Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 239000008400 supply water Substances 0.000 claims abstract description 5
- 239000003463 adsorbent Substances 0.000 claims description 7
- 239000002910 solid waste Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000010808 liquid waste Substances 0.000 claims 1
- 238000007781 pre-processing Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002894 chemical waste Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
- G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
- G21C19/307—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps specially adapted for liquids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The present invention provides one kind to be used for presurized water reactor primary Ioops cooling water treatment system, including sequentially connected heat exchanger, cooling pond, the first booster pump, pretreatment system, advanced treatment system, after-treatment system, supply water pot；The advanced treatment system includes the second booster pump, at least one set of reverse osmosis membrane group and concentrating spent liquor processing system.Wherein pre-filtrating equipment uses glass fibre filter core, has preferable corrosion resistance, insulating properties, heat resistance and depth-type filtration effect.Meanwhile reverse osmosis technology is used in advanced treatment system, it can be filtered separating treatment at room temperature, low energy consumption, does not use chemical reagent, and no chemical waste fluid generates, and pollution-free, occupation area of equipment is small, and operating cost is low.It is equipped with cartridge filter after ion exchange column, removes the rupture particulate and powder generated in ion exchange column, the water after reverse osmosis treatment is avoided to be contaminated again.
Description
Technical field
The present invention relates to PWR of Nuclear Power Station cooling water filtration arts, more particularly to one kind to be used for presurized water reactor primary Ioops
Cooling water treatment system.
Background technique
The nuclear power station heap shape that the current country has been run is mainly presurized water reactor and heavy water reactor, and the overwhelming majority is in building nuclear power station
Pressurized water reactor type.Coolant used in presurized water reactor is water, and reactor during operation, needs cooling cycle purification system constantly to go
Except in recirculated water fission and corrosion product, reduce the activity of circuit system.Solid suspension partial size in coolant is substantially 3
μm or more, when these particulate matters add up excessive, it will cause reactor core flow blockage or heat-transfer surface uneven heating, cause safe thing
Therefore.In addition, the various required reagents of coolant Water-quality control, are intended to be filtered processing before wiring solution-forming is sent into circuit, with
Exempt to bring insoluble impurities into.
Currently, nuclear power station is separated by filtration the main side with impurity particle object, radionuclide in concentration cycles water system
Method is evaporation, ion exchange, and wherein evaporation energy consumption is too high, and operating cost is big, and it is thin that ion exchange is then easy to produce a large amount of rupture
Discharge standard is not achieved in grain or powder, the water after handling.
In view of this, it is necessary to presurized water reactor circulation processing technique in the prior art be improved, to solve
The above problem.
Summary of the invention
It is an object of the invention to open one kind to be used for presurized water reactor primary Ioops water treatment system, remove recirculated water in nuclear power station
Impurity and corrosion product in system reduce the activity of primary Ioops system, so that water quality reaches discharge standard in system, satisfaction is followed
The recycling standard of ring water system reduces energy consumption.
To achieve the above object, the present invention provides one kind to be used for presurized water reactor primary Ioops water treatment system, including successively connects
Heat exchanger, cooling pond, the first booster pump, pretreatment system, advanced treatment system, after-treatment system, the supply water pot connect,
The advanced treatment system includes the second booster pump, at least one set of reverse osmosis membrane group and concentrating spent liquor processing system.
In some embodiments, the pretreatment system includes sequentially connected pre-filtrating equipment and adsorbent equipment.
In some embodiments, solid waste tank is equipped in the concentrating spent liquor processing system.
In some embodiments, the after-treatment system includes sequentially connected ion exchange column and cartridge filter.
In some embodiments, at least one glass fibre filter core, the glass fibers are equipped in the pre-filtrating equipment
Tieing up filter core is line around one or both of glass fibre filter core or folding glass fabric filter element.
In some embodiments, the adsorbent equipment selects active carbon filter core.
In some embodiments, at least one foldable filter element is equipped in the cartridge filter.
In some embodiments, the glass fibre filter element filtering precision is 1~25 μm.
In some embodiments, the foldable filter element filtering accuracy is 0.01~1 μm.
Compared with prior art, the beneficial effects of the present invention are: using glass fibre filter core in 1, pretreatment system, have
Preferable corrosion resistance, insulating properties, heat resistance and depth-type filtration effect；2, reverse osmosis technology is used in advanced treatment system,
It is filtered separating treatment under room temperature, low energy consumption, does not use chemical reagent, and no chemical waste fluid generates, and pollution-free, equipment accounts for
Ground area is small, and operating cost is low；3, it is equipped with cartridge filter after ion exchange column, using foldable filter element, removes ion exchange column
The rupture particulate and powder of middle generation, avoid the water after reverse osmosis treatment contaminated again；4, reverse osmosis technology can will radiate
Property waste liquid be concentrated into 30~100 times, storage to solid waste tank reduces nuclear pollution after cured technique.
Detailed description of the invention
Fig. 1 is presurized water reactor primary Ioops water treatment system schematic diagram.
Description of symbols: 1, heat exchanger；2, cooling pond；3, the first booster pump；4, pretreatment system；41, pre- mistake
Filter device；42, adsorbent equipment；5, advanced treatment system；51, the second booster pump；52, first-stage reverse osmosis；53, two-pass reverse osmosis；
54, concentrating spent liquor processing system；6, after-treatment system；61, ion exchange column；62, cartridge filter；7, water pot is fed.
Specific embodiment
The present invention is described in detail for each embodiment shown in reference to the accompanying drawing, but it should be stated that, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiments made by function, method,
Or equivalent transformation or substitution in structure, all belong to the scope of protection of the present invention within.
As shown in Figure 1, one of the present embodiment is used for presurized water reactor primary Ioops water treatment system, including sequentially connected heat
Exchanger 1, cooling pond 2, the first booster pump 3, pretreatment system 4, advanced treatment system 5, after-treatment system 6, supply water pot
7, the advanced treatment system 5 includes the second booster pump 51, at least one set of reverse osmosis membrane group and concentrating spent liquor processing system 54.
Pretreatment system 4 includes sequentially connected pre-filtrating equipment 41 and adsorbent equipment 42, and wherein pre-filtrating equipment 41 is adopted
With core type filter, filter is interior to be equipped with several glass fibre filter cores, and used glass fibre filter core selects wire wound filter
Core, glass fibre filter element filtering precision are 1~25 μm, and the adsorbent equipment 42 selects granular activated carbon filter core.At concentrating spent liquor
Solid waste tank is equipped in reason system 54, the waste liquid after the concentration of reverse osmosis membrane group is discharged into waste liquid holding vessel, according to cycles of concentration,
Concentrate is solidified using cement solidification technique and is stored to solid waste tank, is isolated.The after-treatment system 6 includes successively
The ion exchange column 61 and cartridge filter 62 of connection are wherein equipped with several foldable filter elements, the folding in cartridge filter 62
Folded filter element filtering precision is 0.01~1 μm.
It after primary Ioops recirculated cooling water is recycled in presurized water reactor, is handled through 1 heat exchange of over-heat-exchanger, recycles thermal energy, follow
The temperature of ring water is down to room temperature, into cooling pond 2 in it is to be processed.Recirculated water enters pretreatment system 4 by the first booster pump 3
Interior pretreatment, the glass fibre filter core in pre-filtrating equipment 41 remove large granular impurity and partial suspended thing in water, using
Adsorbent equipment 42 removes suspended matter and organic matter.Recirculated water enters advanced treatment system 5 by the second booster pump 51, by level-one
Reverse osmosis 52 and treated permeate the enters after-treatment system 6 of two-pass reverse osmosis 53, concentrate then enter concentrating spent liquor processing
System 54 obtains solid waste by cement solidification process, is stored in solid waste tank and is isolated.In after-treatment system 6
Ion exchange column 61 remove micro salt ion in permeate, improve the purity of recirculated water, be finally exhausted in supply water pot 7
It is spare.It is equipped with cartridge filter 62 after ion exchange column 61, plays protection effect, the particulate that can will be ruptured in ion exchange column 61
Or powder removes, and treated recirculated water is avoided to be contaminated again.
Pre-filtrating equipment 41 can also select folding glass fabric filter element in the present embodiment, and preferably 10 μm of filtering accuracy.
Folding glass fabric filter element has biggish filter area, can improve filter efficiency and pollutant holding capability, extends pretreatment system 4
Service life reduces the number that staff contacts contaminated filter core, and reducing nuclear radiation influences.Cartridge filter 62 is according to ion
The size of resin partial size selects the foldable filter element of appropriate filter precision in exchange column 61, and preferably filtering accuracy is 0.05 μm.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. one kind is used for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that including sequentially connected heat exchanger, cold
But pond, the first booster pump, pretreatment system, advanced treatment system, after-treatment system, supply water pot, the advanced treating system
System includes the second booster pump, at least one set of reverse osmosis membrane group and concentrating spent liquor processing system.
2. according to claim 1 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that described pre-
Processing system includes sequentially connected pre-filtrating equipment and adsorbent equipment.
3. according to claim 1 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that described dense
Solid waste tank is equipped in contracting liquid waste treatment system.
4. according to claim 1 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that after described
Processing system includes sequentially connected ion exchange column and cartridge filter.
5. according to claim 2 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that described pre-
At least one glass fibre filter core is equipped in filter device, the glass fibre filter core is line around glass fibre filter core or folding
One or both of glass fibre filter core.
6. according to claim 2 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that the suction
Adsorption device selects active carbon filter core.
7. according to claim 4 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that the guarantor
Pacify and is equipped at least one foldable filter element in filter.
8. according to claim 5 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that the glass
Glass fabric filter element filtering accuracy is 1~25 μm.
9. according to claim 7 a kind of for presurized water reactor primary Ioops cooling water treatment system, which is characterized in that the folding
Folded filter element filtering precision is 0.01~1 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311417.2A CN109994234A (en) | 2019-04-18 | 2019-04-18 | One kind being used for presurized water reactor primary Ioops cooling water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311417.2A CN109994234A (en) | 2019-04-18 | 2019-04-18 | One kind being used for presurized water reactor primary Ioops cooling water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109994234A true CN109994234A (en) | 2019-07-09 |
Family
ID=67134025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910311417.2A Pending CN109994234A (en) | 2019-04-18 | 2019-04-18 | One kind being used for presurized water reactor primary Ioops cooling water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994234A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB966743A (en) * | 1960-01-15 | 1964-08-12 | Babcock & Wilcox Ltd | Improvements in nuclear power plant |
| JP2009162514A (en) * | 2007-12-28 | 2009-07-23 | Japan Organo Co Ltd | System for purifying system water in secondary system of nuclear power plant with pressurized water reactor |
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| GB966743A (en) * | 1960-01-15 | 1964-08-12 | Babcock & Wilcox Ltd | Improvements in nuclear power plant |
| JP2009162514A (en) * | 2007-12-28 | 2009-07-23 | Japan Organo Co Ltd | System for purifying system water in secondary system of nuclear power plant with pressurized water reactor |
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